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ARM: tegra: Fix FLOW_CTLR_HALT register clobbering by tegra_resume() 

commit d70f7d31a9 upstream.

There is an unfortunate typo in the code that results in writing to
FLOW_CTLR_HALT instead of FLOW_CTLR_CSR.

Cc: <stable@vger.kernel.org>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Dmitry Osipenko 2019-07-30 20:23:39 +03:00 committed by Greg Kroah-Hartman
parent e8856787db
commit f3362ea64b
1 changed files with 3 additions and 3 deletions
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6
arch/arm/mach-tegra/reset-handler.S
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@ -44,16 +44,16 @@ ENTRY(tegra_resume)
cmp r6, #TEGRA20
beq 1f @ Yes
/* Clear the flow controller flags for this CPU. */
cpu_to_csr_reg r1, r0
cpu_to_csr_reg r3, r0
mov32 r2, TEGRA_FLOW_CTRL_BASE
ldr r1, [r2, r1]
ldr r1, [r2, r3]
/* Clear event & intr flag */
orr r1, r1, \
#FLOW_CTRL_CSR_INTR_FLAG | FLOW_CTRL_CSR_EVENT_FLAG
movw r0, #0x3FFD @ enable, cluster_switch, immed, bitmaps
@ & ext flags for CPU power mgnt
bic r1, r1, r0
str r1, [r2]
str r1, [r2, r3]
1:
mov32 r9, 0xc09